package com.hsq.ndmall.auth.config;

import com.hsq.ndmall.auth.component.JwtTokenEnhancer;
import com.hsq.ndmall.auth.feign.AdminFeign;
import com.hsq.ndmall.auth.service.ClientDetailsServiceImpl;
import com.hsq.ndmall.auth.service.UserServiceImpl;
import lombok.AllArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenEnhancer;
import org.springframework.security.oauth2.provider.token.TokenEnhancerChain;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.KeyStoreKeyFactory;

import java.security.KeyPair;
import java.util.ArrayList;
import java.util.List;

/**
 * @author 黄四清
 * @version 1.0.0
 * @ClassName Oauth2ServiceConfig.java
 * @Description TODO 认证服务配置相关类
 * @createTime 2021年08月23日 17:00:00
 */
@EnableAuthorizationServer
@Configuration
@AllArgsConstructor
public class Oauth2ServiceConfig extends AuthorizationServerConfigurerAdapter {
    private final PasswordEncoder passwordEncoder;
    private final UserServiceImpl userDetailsService;  // 用户信息
    private final AuthenticationManager authenticationManager;// 身份验证管理器
    private final JwtTokenEnhancer jwtTokenEnhancer;  // Jwt牌增强剂

    // 授权名密码从数据库中获取
    @Autowired
    ClientDetailsServiceImpl clientDetailsService;

    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
//        clients.inMemory()
//                // 授权名
//                .withClient("client-app")
//                // 密码
//                .secret(passwordEncoder.encode("123456"))
//                // 访问全部
//                .scopes("all")
//                .authorizedGrantTypes("password", "refresh_token")
//                // 访问令牌有效期秒
//                .accessTokenValiditySeconds(3600)
//                //刷新令牌有效期秒数
//                .refreshTokenValiditySeconds(86400);

        clients.withClientDetails(clientDetailsService);
    }

    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        TokenEnhancerChain enhancerChain = new TokenEnhancerChain();
        List<TokenEnhancer> delegates = new ArrayList<>();
        delegates.add(jwtTokenEnhancer);
        delegates.add(accessTokenConverter());
        enhancerChain.setTokenEnhancers(delegates); //配置JWT的内容增强器
        endpoints.authenticationManager(authenticationManager)
                .userDetailsService(userDetailsService) //配置加载用户信息的服务
                .accessTokenConverter(accessTokenConverter())
                .tokenEnhancer(enhancerChain);
    }

    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security.allowFormAuthenticationForClients();
    }

    @Bean
    public JwtAccessTokenConverter accessTokenConverter() {
        JwtAccessTokenConverter jwtAccessTokenConverter = new JwtAccessTokenConverter();
        jwtAccessTokenConverter.setKeyPair(keyPair());
        return jwtAccessTokenConverter;
    }

    @Bean
    public KeyPair keyPair() {
        //从classpath下的证书中获取秘钥对
        KeyStoreKeyFactory keyStoreKeyFactory = new KeyStoreKeyFactory(new ClassPathResource("jwt.jks"), "123456".toCharArray());
        return keyStoreKeyFactory.getKeyPair("jwt", "123456".toCharArray());
    }
}
